NCERT Class 10 Science Chapter 16 Sustainable Management of Natural Resources Internal Question Answer Solution For School Students of Class 10th. We also Provides Notes and Important Questions for Class 10 Science. NCERT Class 10th Science book is applied in mostly boards like CBSE, HBSE, RBSE, Up Board, MP Board and also some other state boards. Class 10 Science Chapter Inside Question Answer Solution.
Also Read:- Class 10 Science NCERT Solution
NCERT Class 10 Science Chapter 16 Sustainable Management of Natural Resources Internal Question and Answer for CBSE, HBSE and Other Boards Solution.
Sustainable Management of Natural Resources Class 10 Science Internal Question Answer
Q. 1. What changes can you make in your habits to become more environment-friendly ?
Ans. 1. Travelling by vehicles those do not emit smoke/less smoke.
2. Avoiding use of polythene.
3. Emphasis on water harvesting.
4. Banning deforestation.
6. Discouraging Petroleum/Diesel driven vehicles.
7. By conserving waste flowing water.
8. By reducing production of solid waste material.
9. By using electrical appliances very thoughtfully.
10. Preferring recycled things.
11. Celebrating world environment day on June 5.
12. By not pouring chemicals and used waste oils.
13. By disposing biodegradable and non-biodegradable waste separately.
14. By using unleaded petrol.
Q. 2. What would be the advantages of exploiting resources with short-term aims ?
Ans. The only advantage of it is that man’s own selfish needs are satisfied. We can fulfil our needs by cutting the trees but we do not think about the imbalance caused by it in our environment. So, the resources with short-term aims should be made very carefully.
Q. 3. How would these advantages differ from the advantages of using long term perspective in managing our resources ?
Ans. Long term availability is to be kept in mind to use the natural resources so that these are available for coming generations. Deforestation is done for short term profits but reforestation should also be done with with long term advantages. By cutting down the forest we get land for agricultural and industrial purposes but it leads to soil erosion and environment becomes unprotected.
Q. 4. Why do you think there should be equitable distribution of resources ? What forces would be working against an equitable distribution of resources ?
Ans. Economic development is directly related to environmental protection. Unequal distribution of resources around the world is one of the main cause of poverty. Equitable distribution of resources leads to a peaceful society. Some government officials and selfish people work against equitable distribution of natural resources. Illegal cutting of trees is a good example of this.
Q. 1. Why should we conserve forest and wildlife ?
Ans. We should conserve forest and wildlife for the following reasons; to:
(1) maintain the ecological stability.
(2) save gene pool.
(3) get fruits, vegetables and medicines,
(4) get wood for industries and for burning purposes.
(5) maintain the balance between various atmospheric gases.
(6) promote evaporation which helps in raining.
(7) have control over floods
(8) give shelter to wild animals.
(9) have a good source of income.
(10) maintain food chain.
(11) help survival of humans possible on earth.
(12) get oil, wood, teeth, horns, skin etc. from wild animals. Wildlife can be protected by building national parks and sanctuaries. This is done to protect illegal hunting of animals by poachers.
Q. 2. Suggest some approaches towards the conservation of forest.
Ans. Conservation of forest to maintain the ecological balance is necessary. For this, following steps can be taken:
(1) Government should make strict laws on illegal hunting with high penalties to be paid by poachers.
(2) National parks and wildlife sanctuaries should be established where wild animals are safe.
(3) By banning deforestation.
(4) Afforestation should be done to protect environment and care should be taken of planted trees.
(5) Forest fires should be avoided. Every year many forests are destroyed due to fires.
(6) Over-grazing should be avoided.
Q. 1. Find out about the traditional systems of water harvesting / management in your region.
Ans. The traditional systems of water harvesting and management in our region are ponds, pits and lakes. Water is also harvested in underground tanks.
Q. 2. Compare the water harvesting in your region with the probable system in hilly/ mountaineous areas or plains or plateau regions.
Ans. (1) Water harvesting in mountaineous region : In the regions of Ladakh, water is harvested by kulhs, in which glaciers are kept which melt during day time and water requirements are fulfilled.
(2) Bamboo pipes. Since ages, the practice of rain water harvesting is done in Meghalaya. In this water is sent through these bamboo pipes and is supplied to the lower mountainous regions.
Water harvesting in plains/plateau region
(1) Rain water is stored in large tanks and is used at the time of crisis in Tamilnadu.
(2) These are mostly found in Rajasthan. These are small ponds which were used in ancient times by nomads for drinking water.
Impluvium. These are found in Rajasthan to get water and are in the form of large wells with flights of stairs to descend up to the water. Old tribes living in Rajasthan used to build these for getting drinking water.
Drinking water in Plateaus
(i) Bhandars. These are found in Maharashtra. High walls are erected on the banks of rivers.
(ii) Ponds. These are natural holes found in plateaus and are helpful in the storage of rain water.
Q. 3. Find out the source of water in your region/locality. Is water from this source available to all people living in that area ?
Ans. In New Delhi, main source to meet water requirements is river. Through pipes water from Yamuna river is brought to the city. Underground water is also drained out through deep bores. Water is not available to all the people in my locality.